Dell UCPM-800 manual Physical disk issues, Shared Perc 8 Cards Fail To Function

	Warning event: Event 153, Disk
	The IO operation at logical block address xxxxxx for Disk x was
	retried
	referring to the PercSAS2 driver is seen in the Windows Event log .
Corrective	These error messages may be triggered under some non-critical cases. See the
Action:	system status and the CMC logs to identify any persistent failures.

NOTE: Event 153 or Event 11 seen in the Windows Event log do not require any corrective action.

Shared PERC 8 Cards Fail To Function

Issue:	Shared PERC 8 cards fail to function in systems with the Fault Tolerant Shared
	PERC 8 card configuration.
Corrective	This issue may occur if the Shared PERC 8 card property settings between the two
Action:	Shared PERC 8 cards is not compatible. Make sure that the firmware packages are
	identical for both the Shared PERC 8 cards.

Physical disk issues

Incorrect Number of Virtual Disks Displayed In Windows Disk Manager

Issue:	The number of disks displayed in Windows Disk Manager is more than the actual
	number of virtual disks assigned to the server.
Corrective	This issue occurs if the MPIO feature is not installed in systems with the Fault
Action:	Tolerant Shared PERC 8 card configuration. Install MPIO services from the list of
	features that can be installed on the server. For instructions on how to install MPIO,
	see Installing and Configuring MPIO at technet.microsoft.com.

Physical Disk In Failed State

Issue:	One of the physical disks in the disk array is in the failed state.
Corrective	Update the Shared PERC 8 cards to the latest firmware available on dell.com/
Action:	support. Replace the physical disk with a working one which is compatible with the
	old physical disk and is of equal or greater capacity.

Unable to rebuild a fault tolerant virtual disk

Issue:	Cannot rebuild a fault tolerant virtual disk. For more information, see the alert log
	for virtual disks.
Corrective	The replacement disk is too small or not compatible with the virtual disk. Replace
Action:	the failed disk with a compatible good physical disk with equal or greater capacity.

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